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| 西門(mén)子VLF...系列高溫氣體單閥 |
| VLF...系列高溫氣體單閥
品牌：SIEMENS（西門(mén)子）
產(chǎn)地：德國(guó) |
| 產(chǎn)品介紹 |
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Two-port valves, 1-1/2“...DN80 of the normally closed type. For combination with electrohydraulic actuators of the SKL..., SKP... or SQX... line. Shutoff or control valves for use in the air supply line of industrial combustion plant with or without heat recovery.
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Valve body with flanged or threaded connections
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Auxiliary connections with plugs on the inlet and outlet side, closed off with metallic seals
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Flat, non-contoured valve plug
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Valve stem is guided by a graphite bearing in the valve body and a Teflon bearing in the spring casing
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Return spring is located outside the medium in the spring casing
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Spring casing is rigidly connected to the valve body by means of four spacers
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Actuator is fitted to the valve body by means of four screws, no seals required |
| 型號(hào)表 |
| 口徑 |
型號(hào)（法蘭） |
運(yùn)行承壓mbar |
流量（在1mbar壓差下）m3/h |
接口數(shù) |
| 450ºC |
600ºC |
450ºC |
600ºC |
20ºC |
450ºC |
600ºC |
內(nèi)部RP1/4 |
外部RP1/4 |
內(nèi)部RP3/4 |
| 1-1/2,DN40 |
VLF45.404 |
VLF60.404 |
1500 |
300 |
32 |
50 |
55 |
2 |
2 |
- |
| 2,DN50 |
VLF45.504 |
VLF60.504 |
1500 |
300 |
48 |
75 |
82 |
2 |
2 |
- |
| DN65 |
VLF45.654 |
VLF60.655 |
700 |
300 |
77 |
120 |
132 |
1 |
1 |
2 |
| 3,DN80 |
VLF45.804 |
VLF60.805 |
700 |
300 |
82 |
129 |
140 |
1 |
1 |
2 | |
| 技術(shù)參數(shù) |
| 主要參數(shù) |
| 最大泄露率 |
|
| - 內(nèi)部，在100mbar壓差下 |
0.3m3/h |
| - 外部，在100mbar壓差下 |
0.7m3/h | | |
| 環(huán)境條件 |
| 運(yùn)輸環(huán)境 |
IEC 721-3-2 |
| 內(nèi)部條件 |
class 2K2 |
| 機(jī)械條件 |
class 2M2 |
| 溫度范圍 |
-15...+60ºC |
| 濕度 |
<95% |
| 運(yùn)行環(huán)境 |
IEC 721-3-3 |
| 內(nèi)部條件 |
class 3K5 |
| 機(jī)械條件 |
class3M2 |
| 溫度范圍IEC 721-3-3 |
| 內(nèi)部條件 |
class 3K5 |
| 機(jī)械條件 |
class3M2 |
| 溫度范圍 |
-15...+60ºC |
| 濕度 |
<95% |
| 不得進(jìn)水 | | | |
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